Drop python2 support
This mostly consists in removing the dependency on "six" and updating
the code to use only Python3 idioms.
Notice that we previously used TemporaryDirectory from
cubicweb.devtools.testlib for compatibility with Python2. We now
directly import it from tempfile.
Configuring the user interface
------------------------------
.. _relation_tags:
Relation tags
~~~~~~~~~~~~~
.. automodule:: cubicweb.rtags
.. _uicfg:
The uicfg module
~~~~~~~~~~~~~~~~
.. note::
The part of uicfg that deals with primary views is in the
:ref:`primary_view_configuration` chapter.
.. automodule:: cubicweb.web.views.uicfg
The uihelper module
~~~~~~~~~~~~~~~~~~~
.. automodule:: cubicweb.web.uihelper